Changed Patient model:
* date_added and last_modified fields changed from DateField type to
  DateTimeField type.
Changed Phenotype model:
* hpo_id changed from varchar(100) to char(10)
* description moved to last field and changed from varchar(100) to varchar(255)
Fixed syntax error with extra quotes on end of print statement in matchAll.
Merge remote-tracking branch 'origin/master'